Mandarin Duck

Mandarin ducks, called yuan-yang by the Chinese, are featured often in Oriental art and regarded as symbols of conjugal fidelity and affection. Adult males are striking and unmistakable, with a red bill, a large white crescent above his eye and a reddish face with "whiskers". His breast is purple with double vertical white bars and his flanks are red and have two orange "sails" in the rear. During molting, the males resemble the females but their red bill is their point of difference. The female’s bill is pinkish and she is much less colorful than her mate. She is pale beige with thin white flank stripe and a white under body, and has a white eye ring from where a stripe runs to the back of her head.

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Mandarin Duck

Distibution

Mandarin ducks breed in eastern Siberia, Japan and China, and winter in Japan and southern China. In Britain there is a small number of these birds in a free-flying population, stemming from the release of captive bred ducks. These ducks live in the forests in China and Japan, preferring fast-flowing rocky streams and wooded ponds to wade, swim and feed in.

Biome

Climate zones

Habits and Lifestyle

Mandarin ducks find food in as well as out of the water. They forage among debris on banks, at the water’s edge and while swimming, occasionally up-ending when seeking deeper, submerged food. Mandarin ducks are social birds outside the breeding season and will gather in flocks, sometimes of more than 60. These birds are most active during the morning and evening, but feed intermittently throughout both day and night. They are equally at home on water and land, being able to both swim and walk with ease. They are also agile flyers, using strong, rapid wing-beats, and can rise steeply from the water’s surface or land into the air. The male makes a nasal whistling, a grunting sound and a bark, while the female makes a soft call.

Diet and Nutrition

Mandarin ducks are omnivores, but their diet changes seasonally: in cold season they are mainly herbivores (granivores), they eat water plants and grains such as rice. When it's warm they eat insects, snails, small fish, and worms.

Mating Habits

Mandarin ducks are monogamous and pair bonds may continue for many seasons. The courtship display of this species is very impressive, including mock-drinking and shaking. It is the female who chooses the site for the nest but the male goes with her to find it. The nest is in a hole up to 30 feet off the ground in a tree. 9 to 12 white oval eggs are laid at daily intervals during April and May. Incubation is just by the female and is for 28 to 30 days. The eggs hatch within several hours of each other and when all the ducklings are hatched, their mother calls them from the ground and they crawl out of the hole and jump, to land unhurt on the ground and head to the nearest feeding ground. After 40-45 days when they can fly, they leave and join a new flock. Mandarin ducks become mature at one year of age.

Population

Population threats

Formerly abundant, Mandarin duck populations in their native countries in the Far East have declined as a result of habitat destruction (mainly logging), as well as over-hunting.

Population number

According to the IUCN Red List, the total Mandarin duck population size is around 65,000-66,000 individuals. National population estimates include: in China: 100-10,000 breeding pairs and fewer than 50 wintering individuals; in Taiwan: fewer than 100 breeding pairs and fewer than 50 wintering individuals; in Korea: 100-10,000 breeding pairs, and in Japan: 10,000-100,000 breeding pairs plus 1,000-10,000 wintering individuals. According to the Royal Society for the Protection of Birds (RSPB) resource, the total breeding population in UK is 2,300 pairs and the wintering population is 7,000 birds. Overall, currently Mandarin ducks are classified as Least Concern (LC), but their numbers today are decreasing.

Fun Facts for Kids

A Chinese proverb about loving couples uses this bird as a metaphor as follows: "Two Mandarin ducks playing in water".

The symbol of the Mandarin duck is also used for Chinese weddings because they symbolize wedded happiness and fidelity in traditional Chinese lore.

Mandarin ducks can fly as far as 500 miles in one day.

The Mandarin duck is widely regarded as the most beautiful duck in the world.

The drake’s stunning plumage makes it an artist's favorite, being depicted often in oriental art.

Mandarin ducks can maneuver very well in flight, flying through trees with incredible agility.

After hatching, ducklings jump down to the ground, protected from injury by their fluffy down and light weight.